package com.czh.web;

import com.czh.pojo.Brand;
import com.czh.service.BrandService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/selectByIdServlet")
public class SelectByIdServlet extends HttpServlet {
     private BrandService brandService=new BrandService();

    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //第一句 就是设置编码
        req.setCharacterEncoding("utf-8");
        String id = req.getParameter("id");

        Brand brand = brandService.selectById(Integer.parseInt(id));
        req.setAttribute("brand",brand);
        req.getRequestDispatcher("/update.jsp").forward(req,resp);

    }

}